969
FNCA52 TJSJ 311930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST TUE MAR 31 2026
DISCUSSION
NO FIRE DANGER IS EXPECTED TODAY.
PRZ014-010800-
SOUTHEAST COASTAL PLAINS-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 60 30 40
TEMP (24H TREND) 65 (-5) 87 (+1) 68 86
RH % (24H TREND) 98 (+9) 55 (+7) 93 59
WIND 20FT/EARLY(MPH) NE 14 NE 12 NE 13 NE 13
WIND 20FT/LATE(MPH) NE 10 E 17 NE 9 E 18
MIXING HGT(FT-AGL/MSL) 5940 5790
TRANSPORT WND (MPH) E 12 E 14
VENT RATE (KT-FT) 59400 69480
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-010800-
SOUTHERN HILLS-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 30 60 30 50
TEMP (24H TREND) 60 (-8) 83 (+3) 65 81
RH % (24H TREND) 100 (+9) 62 (-2) 98 66
WIND 20FT/EARLY(MPH) NE 12 NE 10 NE 11 NE 11
WIND 20FT/LATE(MPH) NE 11 E 13 NE 10 E 13
MIXING HGT(FT-AGL/MSL) 6000 6170
TRANSPORT WND (MPH) NE 12 E 13
VENT RATE (KT-FT) 60000 67870
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-010800-
NORTH COASTAL PLAINS-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 50 40 50
TEMP (24H TREND) 66 (-5) 85 (+2) 68 84
RH % (24H TREND) 100 (+8) 62 (-5) 99 64
WIND 20FT/EARLY(MPH) E 17 E 14 E 13 E 14
WIND 20FT/LATE(MPH) E 16 NE 16 E 11 NE 17
MIXING HGT(FT-AGL/MSL) 4900 5020
TRANSPORT WND (MPH) E 15 E 16
VENT RATE (KT-FT) 63700 70280
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-010800-
NORTHERN HILLS-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 50 30 60
TEMP (24H TREND) 62 (-6) 84 (+3) 66 83
RH % (24H TREND) 100 (+4) 62 (-6) 99 65
WIND 20FT/EARLY(MPH) E 16 E 14 E 12 E 12
WIND 20FT/LATE(MPH) E 14 NE 14 E 10 NE 14
MIXING HGT(FT-AGL/MSL) 5300 5820
TRANSPORT WND (MPH) E 14 E 14
VENT RATE (KT-FT) 63600 69840
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-010800-
WEST COAST-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 50 70 30 70
TEMP (24H TREND) 64 (-5) 87 (+1) 66 85
RH % (24H TREND) 100 (+7) 59 (-2) 97 63
WIND 20FT/EARLY(MPH) NE 19 E 16 NE 16 E 16
WIND 20FT/LATE(MPH) NE 18 E 18 NE 14 E 12
MIXING HGT(FT-AGL/MSL) 5190 5640
TRANSPORT WND (MPH) E 12 E 9
VENT RATE (KT-FT) 51900 45120
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-010800-
EASTERN INTERIOR-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 60 50 50
TEMP (24H TREND) 63 (-6) 83 (+2) 66 82
RH % (24H TREND) 100 (+6) 63 (-4) 99 65
WIND 20FT/EARLY(MPH) NE 12 NE 10 NE 11 NE 11
WIND 20FT/LATE(MPH) NE 12 NE 11 NE 11 NE 11
MIXING HGT(FT-AGL/MSL) 6060 6580
TRANSPORT WND (MPH) NE 12 E 13
VENT RATE (KT-FT) 60600 72380
DISPERSION 5 5
DSI 3 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-010800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY MCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 70 60 50 60
TEMP (24H TREND) 60 (-7) 78 (+2) 64 78
RH % (24H TREND) 100 (+3) 68 (-5) 100 71
WIND 20FT/EARLY(MPH) NE 9 NE 8 NE 8 E 10
WIND 20FT/LATE(MPH) NE 9 E 9 NE 8 NE 10
MIXING HGT(FT-AGL/MSL) 4570 4570
TRANSPORT WND (MPH) E 12 E 13
VENT RATE (KT-FT) 45700 50270
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-010800-
CENTRAL MOUNTAIN RANGE-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 60 20 70
TEMP (24H TREND) 59 (-7) 82 (+5) 62 80
RH % (24H TREND) 100 (+4) 64 (-5) 99 66
WIND 20FT/EARLY(MPH) NE 14 NE 13 NE 11 E 12
WIND 20FT/LATE(MPH) NE 13 NE 12 NE 10 NE 10
MIXING HGT(FT-AGL/MSL) 5950 6430
TRANSPORT WND (MPH) E 13 E 12
VENT RATE (KT-FT) 65450 64300
DISPERSION 5 5
DSI 4 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-010800-
CAYEY MOUNTAIN RANGE-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 60 40 40
TEMP (24H TREND) 60 (-7) 79 (+2) 65 78
RH % (24H TREND) 100 (+3) 68 (0) 100 70
WIND 20FT/EARLY(MPH) NE 10 NE 10 NE 10 NE 10
WIND 20FT/LATE(MPH) NE 8 E 11 NE 8 E 11
MIXING HGT(FT-AGL/MSL) 5870 5950
TRANSPORT WND (MPH) NE 13 E 13
VENT RATE (KT-FT) 64570 65450
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-010800-
VIEQUES-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 50 30 50
TEMP (24H TREND) 69 (-4) 85 (0) 72 86
RH % (24H TREND) 96 (+12) 57 (-2) 90 55
WIND 20FT/EARLY(MPH) NE 16 NE 13 NE 13 E 13
WIND 20FT/LATE(MPH) NE 16 E 11 NE 13 NE 13
MIXING HGT(FT-AGL/MSL) 3610 3540
TRANSPORT WND (MPH) E 14 E 16
VENT RATE (KT-FT) 43320 49560
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-010800-
CULEBRA-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLDY PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS TSTMS
CHANCE PRECIP (%) 60 50 40 50
TEMP (24H TREND) 70 (-4) 85 (0) 72 87
RH % (24H TREND) 97 (+14) 59 (-2) 91 57
WIND 20FT/EARLY(MPH) NE 17 E 13 E 14 E 14
WIND 20FT/LATE(MPH) E 16 E 12 E 14 NE 13
MIXING HGT(FT-AGL/MSL) 3710 3460
TRANSPORT WND (MPH) E 14 E 17
VENT RATE (KT-FT) 44520 51900
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-010800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS SHOWERS TSTMS
CHANCE PRECIP (%) 40 80 30 60
TEMP (24H TREND) 64 (-6) 88 (+2) 67 87
RH % (24H TREND) 100 (+12) 54 (+5) 93 58
WIND 20FT/EARLY(MPH) NE 19 E 16 NE 16 E 14
WIND 20FT/LATE(MPH) NE 19 E 18 NE 16 E 16
MIXING HGT(FT-AGL/MSL) 5580 5820
TRANSPORT WND (MPH) E 8 E 9
VENT RATE (KT-FT) 39060 46560
DISPERSION 5 5
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-010800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 30 50
TEMP (24H TREND) 69 (-6) 85 (+1) 71 85
RH % (24H TREND) 96 (+14) 55 (-6) 91 57
WIND 20FT/EARLY(MPH) NE 16 E 13 E 14 E 14
WIND 20FT/LATE(MPH) NE 16 E 12 E 14 E 13
MIXING HGT(FT-AGL/MSL) 3650 3480
TRANSPORT WND (MPH) E 15 E 15
VENT RATE (KT-FT) 47450 45240
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-010800-
ST CROIX-
330 PM AST TUE MAR 31 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 50 30 40
TEMP (24H TREND) 69 (-5) 86 (+1) 70 86
RH % (24H TREND) 95 (+10) 57 (-4) 91 57
WIND 20FT/EARLY(MPH) NE 13 E 12 E 13 E 13
WIND 20FT/LATE(MPH) NE 13 E 12 E 13 E 12
MIXING HGT(FT-AGL/MSL) 4990 4910
TRANSPORT WND (MPH) E 15 E 14
VENT RATE (KT-FT) 64870 58920
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
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